/* ChoiceSmith — shared styles.
   Layout: sticky slim header, wide hero with a pipeline diagram, then narrow reading sections; legal pages reuse the reading column. */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #141822;
  --muted: #586174;
  --rule: #e2e5eb;
  --accent: #3d4fd6;
  --accent-soft: #e8ebfc;
  --ok: #1d7a55;
  --display: "Sora", "Segoe UI", system-ui, sans-serif;
  --body: "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117; --surface: #171a22; --ink: #e8eaf0; --muted: #9aa2b4; --rule: #262b36;
    --accent: #8f9cff; --accent-soft: #1f2440; --ok: #5cc79a; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.65 var(--body); -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: 1080px; margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 600 18px/1 var(--display); letter-spacing: -0.01em; }
.brand-mark { width: 26px; height: 26px; flex: none; }
.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
@media (max-width: 520px) { .nav .hide-sm { display: none; } .nav { gap: 16px; } }

/* Hero */
.hero { padding-block: clamp(48px, 9vw, 96px) clamp(40px, 7vw, 72px); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }
.eyebrow { font: 600 12px/1 var(--body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin: 0 0 16px; }
h1 { font: 600 clamp(34px, 5.4vw, 54px)/1.08 var(--display); letter-spacing: -0.025em; margin: 0 0 18px; text-wrap: balance; }
.lede { font-size: clamp(17px, 2vw, 19px); color: var(--muted); max-width: 52ch; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 8px;
  font: 500 15px/1 var(--body); text-decoration: none; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0f1117; } }
.btn-ghost { border-color: var(--rule); color: var(--ink); background: var(--surface); }

/* Pipeline diagram */
.pipeline {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 14px;
  padding: clamp(18px, 3vw, 28px); display: grid; gap: 14px; min-width: 0;
}
.file {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px;
  background: var(--accent-soft); font: 500 14px/1.3 var(--mono); min-width: 0;
}
.file span { overflow-wrap: anywhere; }
.file small { display: block; color: var(--muted); font: 400 12px/1.4 var(--body); }
.thumb { width: 24px; height: 40px; border-radius: 4px; background: var(--accent); opacity: .85; flex: none; }
.flow-label { font: 600 11px/1 var(--body); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-left: 2px; }
.dest { display: grid; gap: 8px; }
.dest-row {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px;
  padding: 11px 14px; border: 1px solid var(--rule); border-radius: 10px; font-size: 14px;
}
.dest-row b { font-weight: 600; }
.chip {
  font: 500 12px/1 var(--body); padding: 6px 9px; border-radius: 999px; white-space: nowrap;
  background: var(--bg); color: var(--muted); border: 1px solid var(--rule);
}
.chip.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.pipeline-note { font-size: 13px; color: var(--muted); margin: 2px 0 0; }

/* Sections */
section.block { padding-block: clamp(44px, 7vw, 80px); border-top: 1px solid var(--rule); }
h2 { font: 600 clamp(24px, 3.2vw, 32px)/1.2 var(--display); letter-spacing: -0.015em; margin: 0 0 12px; text-wrap: balance; }
.section-intro { color: var(--muted); max-width: 60ch; margin: 0 0 32px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.steps li { counter-increment: step; padding-top: 18px; border-top: 2px solid var(--ink); min-width: 0; }
.steps li::before { content: "Step " counter(step); display: block; font: 600 12px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.steps h3, .principles h3 { font: 600 18px/1.3 var(--display); margin: 0 0 6px; }
.steps p, .principles p { margin: 0; color: var(--muted); font-size: 15px; }

.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; }
@media (max-width: 720px) { .principles { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 600 12px/1.2 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; white-space: nowrap; }
.mono { font-family: var(--mono); font-size: 13px; }

/* Legal pages */
.doc { padding-block: clamp(40px, 7vw, 72px); }
.doc article { max-width: 70ch; }
.doc h1 { font-size: clamp(32px, 4.6vw, 44px); }
.doc .meta { color: var(--muted); font-size: 14px; margin: 0 0 32px; padding-bottom: 24px; border-bottom: 1px solid var(--rule); }
.doc h2 { font-size: 21px; margin-top: 36px; }
.doc p, .doc li { margin: 0 0 12px; }
.doc ul { padding-left: 1.25em; }
.summary { background: var(--accent-soft); border-radius: 12px; padding: 18px 22px; margin: 0 0 8px; }
.summary p:last-child { margin: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding-block: 32px 40px; font-size: 14px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }